Finding the Fourth Proportional to 103,968.96, 156,022.64 and 56,595.99
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Solution
The fourth proportional to 103,968.96, 156,022.64 and 56,595.99 is: 84,931.65
Step by Step Solution
- Step 1: Write the proportion equation
103,968.96 : 156,022.64 = 56,595.99 : x - Step 2: Convert to fraction form
103,968.96/156,022.64 = 56,595.99/x - Step 3: Cross multiply
103,968.96x = 156,022.64 × 56,595.99 - Step 4: Simplify right side
103,968.96x = 8,830,255,773.21 - Step 5: Solve for x
x = 8,830,255,773.21/103,968.96 - Step 6: Final answer
x = 84,931.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.